Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"de mat zhang slippers" » "de mat hang slippers", "de mat bang slippers", "de dat hang slippers", "de dat zhang slippers", "de bat zhang slippers", "de gat zhang slippers", "de mat zhang grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("de mat zhang slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de mat zhang slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de mat zhang slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de mat zhang slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.